期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 29, 页码 7665-7668出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201403965
关键词
DNA nanotechnology; DNA origami; self-assembly
资金
- Volkswagen Stiftung [86 395]
- EU Marie Curie Initial Training Network EscoDNA
- Cluster of Excellence Nanosystems Initiative Munich (NIM)
The arrangement of DNA-based nanostructures into extended higher order assemblies is an important step towards their utilization as functional molecular materials. We herein demonstrate that by electrostatically controlling the adhesion and mobility of DNA origami structures on mica surfaces by the simple addition of monovalent cations, large ordered 2D arrays of origami tiles can be generated. The lattices can be formed either by close-packing of symmetric, non-interacting DNA origami structures, or by utilizing blunt-end stacking interactions between the origami units. The resulting crystalline lattices can be readily utilized as templates for the ordered arrangement of proteins.
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